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在弧齿锥齿轮的加工中,当传动比较大(一般i>2.5)时,在同一齿高上往往出现小齿轮轮齿的小端齿厚大于大端齿厚的现象,而大齿轮则相反,这就是通常所说轮齿的“反缩”现象。这种齿形有很多不利:1.在加工弧齿锥齿轮时,一般应测量轮齿大端法向弦齿厚以控制尺寸。具有“反缩”的轮齿,大齿轮轮齿的小端往往特别“瘦”,而小齿轮轮齿的小端特别“肥”,这样削弱了齿的
In the process of spiral bevel gear, when the transmission ratio is relatively large (usually i> 2.5), the small tooth thickness of the pinion gear tooth tends to be larger than that of the big end tooth on the same tooth height, while the large gear is the opposite This is what is commonly referred to as “anti-contraction” of the teeth. This tooth shape has many disadvantages: 1. In the processing of spiral bevel gear, the normal tooth thickness should be measured at the large end of gear teeth to control the size. With “anti-shrinking” teeth, the small ends of the gear teeth tend to be particularly “thin” while the small ends of the pinion teeth are particularly “fat”, weakening the teeth